#include <bits/stdc++.h>
using namespace std;

int cnt[100001];
int main()
{
    freopen("duel.in", "r", stdin);
    freopen("duel.out", "w", stdout);
    int n;
    cin >> n;
    for (int i = 1; i <= n; i++)
    {
        int r;
        cin >> r;
        cnt[r]++;
    }
    int maxv = 0;
    for (int i = 1; i <= 100000; i++) maxv = max(maxv, cnt[i]);
    cout << maxv;
    return 0;
}
